he is well educated. well respected by his colleagues back in boston in the various labs that he worked in. and that speaks volumes for me. >> well, harris is facing a charge of transporting hazardous peerls materials. the maximum is five years behind bars. >> shepard: what tips off security. >> he shows up with full body arm including bullet proof vest. he lied by deliberately concealing his arsenal each when he was asked to amend his customs declaration to include it he may have carried his arsenal through airports in and out of the united states from south korea and japan. if that's true, why in the world wasn't he caught on all those prior flights both here and abroad. shep? >> shepard: greg jarrett in new york tonight. a tip led cops in california to an explosive find. look at this. [siren] >> police say somebody reported the guy was building bombs in his house so they evacuated the neighborhood just north of oakland bomb squad took the place. >> cops took the man who lived there into custody. listen